'Technically, without underwear, you could do more boning.'
References:
Folk-lore and folk-stories of Wales - Marie Trevelyan
Ghosts and Folklore of Wales - Mark Rees
Folklore of Wales - Anne Ross
Welsh Costume - Ken Etheridge
Patterns of Fashion 1 - Janet Arnold
Welsh dress images copyright of and reproduced with kind permission of Amgueddfa Ceredigion Museum, as credited.
Open access images via the Met Museum, in the public domain